This bug was fixed in the package ubuntu-release-upgrader - 1:18.04.25
---
ubuntu-release-upgrader (1:18.04.25) bionic; urgency=medium
* DistUpgradeQuirks.py: if ubuntu-desktop or snapd isn't in the package
cache don't try and run the quirk for installing or upgrading snaps.
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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Title:
ubuntu-release-upgrader crashed with KeyError: "The cache has
I went ahead and tested an upgrade from Ubuntu 16.04 to Ubuntu 18.04
using the release upgrader from -proposed without hacking the packages
in the cache to ensure that the deb2snap migration (per Adam's
suggestion) was still done. In /var/log/dist-upgrade/main.log we can see
the following:
2018-08
I've tried normal do-release-upgrade xenial->bionic and it fails with keyerror
on s390x.
Using the proposed upgrader, the upgrade is succeeding and starts the upgrade
transaction correctly on s390x.
Therefore from s390x point of view this is fixed.
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Hello errors.ubuntu.com, or anyone else affected,
Accepted ubuntu-release-upgrader into bionic-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:18.04.25 in a few hours, and then in the
-proposed repository.
Please help us by
** Description changed:
+ Description
+ ---
+
+ For s390x there is no ubuntu-desktop package and the quirk to install
+ snaps will crash as it expects there to be an ubuntu-desktop package in
+ the cache.
+
+ Test Case
+ -
+ On an s390x system the test case is just to try the upg
** Also affects: ubuntu-release-upgrader (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: ubuntu-release-upgrader (Ubuntu Bionic)
Status: New => In Progress
** Changed in: ubuntu-release-upgrader (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: ubu
I hope that it will be backported to 16.04 as well, without applying
this fix to an upgrade to 18.04 isn't possible.
Thank you!
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Title:
ubuntu-r
This bug was fixed in the package ubuntu-release-upgrader - 1:18.10.9
---
ubuntu-release-upgrader (1:18.10.9) cosmic; urgency=medium
* data/release-upgrades: set Prompt to normal not lts
* DistUpgradeQuirks.py: if ubuntu-desktop or snapd isn't in the package
cache don't try an
** Tags added: id-5b846d495b0b2662342c5dc7
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Title:
ubuntu-release-upgrader crashed with KeyError: "The cache has no
package named 'ubuntu-deskt
** Changed in: ubuntu-z-systems
Status: Confirmed => In Progress
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Title:
ubuntu-release-upgrader crashed with KeyError: "The cache has no
** Branch linked: lp:ubuntu-release-upgrader
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Title:
ubuntu-release-upgrader crashed with KeyError: "The cache has no
package named 'ubuntu-des
However, as Frank points out there is a s390x-specific issue here in
that the ubuntu-desktop package does not exist at all on s390x but does
exist on other architectures.
So this check will currently ALWAYS fail on s390x.
(One wonders why ubuntu-desktop exists on s390x though given that this
was
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Confirmed => In Progress
** Changed in: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided => High
** Changed in: ubuntu-release-upgrader (Ubuntu)
Assignee: (unassigned) => Brian Murray (brian-murray)
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You received thi
The error reports in the Ubuntu Error Tracker are from i386 and amd64
systems so the issue is not specific to s390x.
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Title:
ubuntu-release-upgra
** Changed in: ubuntu-z-systems
Importance: Undecided => High
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Title:
ubuntu-release-upgrader crashed with KeyError: "The cache has no
packa
** Tags added: architecture-s39064 bugnameltc-170884 severity-high
targetmilestone-inin1804
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Title:
ubuntu-release-upgrader crashed with KeyError
Not limited to s390x, but affecting it, too - hence adding z project.
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Status: New => Confirmed
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Canonical Foundations
Strike that. Ultimately it didn't *really* resolve the issue for me
because there are no aarch64 packages on the referenced Bionic repos:
Error during update
A problem occurred during the update. This is usually some sort of
network problem, please check your network connection and retry.
E
Similar to Frederik, I had to much with sources.list, adding a reference
to Zesty.
In my case it was a Pine64 running:
Linux string.rvu.io 3.10.105-bsp-1.2-ayufan-99 #1 SMP PREEMPT Fri Aug 4
08:36:39 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux
Upgrading from:
$ cat /etc/os-release
NAME="Ubuntu
The package 'ubuntu-desktop' doesn't exist for 16.04 on s390x where I
encountered this error.
Adding a bionic repository to sources.list without upgrading works as a hacky
workaround since this package exists in bionic and the failing check is simply
a verification if this package is installed.
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => Confirmed
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Here's the Traceback:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apt/cache.py", line 194, in __getitem__
return self._weakref[key]
File "/usr/lib/python3.5/weakref.py", line 131, in __getitem__
o = self.data[key]()
KeyError: 'ubuntu-desktop'
During handlin
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